Trace handler
[计] 跟踪处理程序
🧩 词语组成解析
trace
[tres]
vt. 跟踪，追踪;追溯，探索;探索;查找;
vi. 沿着一小径或道路前进;可以追溯的;
n. 痕迹，踪迹;微量，极少量;[植]（脉）迹;痕迹;
trace(draw)→回溯
handler
['hændlə]
n. 处理者，管理者;（动物）驯化者;[自]（信息）处理机;拳击教练;
🗣️ 情景例句
that the taxpayers will vote for him
纳税人会投他一票
Are you looking for a permanent position?
你正在寻找一个固定职位吗？
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。